1. School for Health and Social Wellbeing, University of the West of England, Bristol, United Kingdom
2. National Complex Regional Pain Syndrome Service, Royal United Hospitals NHS Trust, Bath, United Kingdom
3. Faisalabad Medical University, Pakistan
4. University Hospitals of Derby & Burton NHS Trust, United Kingdom.
5. Centro de Dor, Department of Neurology, University of Sao Paulo, Brazil
6. Department of Anaesthesia and Perioperative Medicine, University of Cape Town, South Africa
7. Seoul National University College of Medicine, Seoul, South Korea
8. Department of Anesthesiology, National Taiwan University Hospital, Taiwan
9. Pain Department, University Hospital of North Norway, Tromsø, Norway
10. Tan Tock Seng Hospital, Singapore
11. Centro MDRS, Sports, Spine & Pain Center Lima Pain Institute, Clinica Angloamericana Lima, Perú
12. Anaesthesia and Intensive Care Department, School of Medicine, The University of Jordan, Amman, Jordan
13. Johannes Gutenberg-Universität Mainz, Germany
14. National Rehabilitation Center for Neuromuscular Diseases, Aarhus, Denmark
15. Walton Centre Hospital, Liverpool, United Kingdom
16. University of Liverpool, United Kingdom